I need to change the time we meet for lunch. 我需要更改我们见面吃午饭的时间。 What time would be good for you? 什么时间你合适呢？
I'll be about half an hour late. 我大概要慢半个小时。 Good, I'll see you there at 12:30. 好的，十二点我会在那儿与你碰面。
